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Finding the Fourth Proportional to 3,916.16, 5,404.16 and 2,322.08

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Solution

The fourth proportional to 3,916.16, 5,404.16 and 2,322.08 is: 3,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.16 : 5,404.16 = 2,322.08 : x
  2. Step 2: Convert to fraction form
    3,916.16/5,404.16 = 2,322.08/x
  3. Step 3: Cross multiply
    3,916.16x = 5,404.16 × 2,322.08
  4. Step 4: Simplify right side
    3,916.16x = 12,548,891.85
  5. Step 5: Solve for x
    x = 12,548,891.85/3,916.16
  6. Step 6: Final answer
    x = 3,204.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.